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4yn


Capturing flags since April 2018

Good at: crypto

Participate in teams

/bad
4yn
claypot RCE
Friendly Maltese Citizens
mushroom
Mushrooms
slashbad
Tea MSG

4yns writeups

EventTaskAction
SekaiCTF 2023RandSubWare [498]read writeup
SekaiCTF 2023Noisier CRC [495]read writeup
SekaiCTF 2023Noisy CRC [244]read writeup
SekaiCTF 2023Diffecientwo [484]read writeup
SekaiCTF 2023cryptoGRAPHy 3 [400]read writeup
SekaiCTF 2023cryptoGRAPHy 2 [176]read writeup
SekaiCTF 2023cryptoGRAPHy 1 [100]read writeup
PlaidCTF 2023The Other CSS [450]read writeup
PlaidCTF 2023fastrology [450]read writeup
PlaidCTF 2023bivalves [78]read writeup
Hack-A-Sat 4 QualifiersSo Above read writeup
Hack-A-Sat 4 QualifiersHyde Street read writeup
Hack-A-Sat 4 QualifiersLeavenworth Street read writeup
Hack-A-Sat 4 QualifiersAs Below read writeup
ImaginaryCTF 2022Living Without Expectations [492]read writeup
ImaginaryCTF 2022Secure Encoding: Base64 [492]read writeup
ImaginaryCTF 2022Poker [495]read writeup
SECCON CTF 2022 Quals janken vs kurenaif [221]read writeup
SECCON CTF 2022 Qualswitches_symmetric_exam [197]read writeup
SECCON CTF 2022 Qualsinsufficient [164]read writeup
SECCON CTF 2022 Qualsthis_is_not_lsb read writeup
SECCON CTF 2022 QualsBBB [136]read writeup
SECCON CTF 2022 Qualspqpq [96]read writeup
UIUCTF 2022Sussy ML read writeup
UIUCTF 2022Bro-key-n read writeup
MCH2022 CTFCrypto - Squaring Off [300]read writeup
MCH2022 CTFCrypto - Sharing is caring [200]read writeup
MCH2022 CTFCrypto - qEXMRY^7 [100]read writeup
Google Capture The Flag 2022OCR [208]read writeup